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Built environment must progress on decarbonisation as demand for green buildings continues to rise

Progress is being seen in some aspects of the built environment on the drive to be more sustainable, according to RICS Sustainability Report 2022, however the rate of advancement needs to accelerate significantly and become more widespread.

The report, which collated sentiment from almost 4,000 chartered surveyor contributors, around 1,200 of which are from the UK, across commercial and construction sectors globally, shows that some improvement in the push for sustainability has been made in the past year, notably in the commercial real estate sector as demand for green buildings continues to rise.

However, the data also shows there has been little or no change in some important areas in the past 12 months. Indeed, in construction, a significant share of professionals say they do not measure carbon emissions on projects.

While the appetite to seek green buildings in the commercial property sector continues to rise in the UK, the change is modest.

Commercial Property

Looking at investors and occupiers separately in the UK, around 65 per cent of contributors note that occupier demand for green/sustainable buildings has risen over the past 12 months, however the UK is falling behind Europe as a whole, with Europe leading the way with around 52 per cent of contributors across the region seeing a modest increase in demand, and just under one-quarter stating that occupier interest in green/sustainable buildings has increased significantly.

On the investment side around 45 per cent of survey contributors in the UK report a modest increase in investor appetite for green/sustainable buildings over the past 12 months, which is five per cent higher than the global average. A further 21 per cent suggest there has been a more significant increase in demand. Comparing the UK to the rest of Europe where the pick-up in investor demand is again stronger, around 80 per cent of those surveyed across the whole of Europe see an increase in investor demand for green/sustainable real estate in the past year.

As demand for sustainable buildings continues to increase not just in the UK but on a global scale, it is impacting both rents and prices, with a significant share of contributors seeing a market premium for sustainable buildings, and citing that non-green real estate assets are subject to a ‘brown discount’. For those buildings that aren’t classed as green or sustainable, 48 per cent of respondents noted a reduction in rents, and around half also cited a reduction in sale prices in the UK, with both figures lower than as can be seen in the whole of Europe, with 57 per cent of respondents noting ‘brown discount’ for rental properties, and 60 per cent noting a ‘brown discount’ in prices.

In another signal that people in the UK are placing more focus on sustainable property, the majority of respondents (55 per cent) note a rise in climate risk assessments by investors on their built assets, suggesting that climate issues are now rising up the agenda and could be influencing the behaviour of key market players.

The figures suggest Europe is seeing stronger progress on sustainability in the built environment due to the spotlight being turned on green buildings by the European Commission’s ambitious Green Deal. Policymakers in other regions turning their attention towards sustainable real estate will lead to market shifts elsewhere, the report notes.


Survey respondents report that Construction professionals in the UK are beginning to embrace digital tools and technologies to complete sustainability-related analysis for construction projects, predominantly to assess energy needs and costs, but they are less likely to utilise these tools to reduce embodied carbon or to measure the impact on biodiversity. Forty-seven per cent of respondents in the UK report that digital tools and processes are used to complete sustainability assessments on less than half or none of their projects. By comparison, Europe’s figure is lower with 40 per cent of respondents reporting that digital tools and processes are used to complete sustainability assessments on less than half or none of their projects, indicating that the UK is falling behind the rest of the region.

This year’s results also show that there is much room for improvement in measuring carbon emissions. Seventy-six per cent of professionals in the UK state that they make no operational measurement of carbon emissions on projects, which is in line with the whole of Europe, but slightly higher when compared globally (72 per cent). With more than half of the UK respondents also saying that they don’t measure embodied carbon, even for those that do, less than 14 per cent use it to select the materials they use in their project.

When probed on the barriers to reducing carbon emissions, around 38 per cent of contributors identified both the lack of established / adopted standards, guidance and tools  and high costs or low availability of low-carbon products as the most fundamental issues. Alongside this, contributors also highlight cultural issues and established practices as a challenge.

Kisa Zehra, RICS Sustainability Analyst, commented: “It is of benefit to all to embrace climate strategy, and we must reduce our impact as the built environment. Behaviour change is happening, with higher rents and prices being seen for the more desirable sustainable properties, and climate risk assessments by investors on their built assets rising across the globe. But, measuring all forms of carbon, is also critical to the changes we need to see from the built environment.

“Barriers to progress cited in the report have included a lack of established standards, guidance and tools. However, it is equally fair to say that industry must adopt these tools and standards where they are available and should make carbon assessment and management an integral part of business practice. Industry needs to work in collaboration to succeed. The work RICS is leading with partners, for example the ICMS coalition in developing a cost measurement standard that combines cost and carbon reporting, is a key example.

“RICS will continue to promote research, and demand policy changes while working in collaboration with industry, governments and our professionals to increase the impact of the built environment on positive climate strategy.”

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